“…[10][11][12][13][14] The FDA recently recommended black box warnings for topical calcineurin inhibitors based on animal studies using high doses of these drugs, which suggested a possible increased rate of malignancy. 15 To date, use of pimecrolimus twice daily has been shown to be effective for treatment of seborrheic dermatitis in 4 open-label or single-blind trials involving 11 patients, 16 5 patients, 17 19 patients, 18 and 37 patients, 19 respectively. In addition, several single case reports have described complete clearing of severe facial seborrheic dermatitis within 30 days of twice-daily use of pimecrolimus cream 1%.…”